Yimi (Guangzhou) Automotive Parts Co, Ltd
| OEM Part Number | 8-97183666-0 / 8971836660 |
| Vehicle Models | ISUZU NPR, NQR, NKR, NHR (2000–2016) |
| Piston Diameter | 115 mm |
| Warranty | 1 Year (standard replacement warranty) |
| Engine Compatibility | ISUZU 4HG1 / 4HG1T (4.6L, naturally aspirated & turbocharged) |
| Construction Features | Alfin insert, oil gallery |
| Delivery Time | 5-8 Work Days |
| Certifiion | ISO/TS16949 |
| Supply Ability | 4000 pcs/month |
| Material | Aluminum alloy with Alfin insert |
| Surface Treatment | Tin coating |
| Part Name | Standard Engine Piston (with pin & clip options) |
| Ring Groove (Top / 2nd / Oil) | 3.0 mm (3.0K) / 2.5 mm / 4.0 mm |
| Payment Terms | T/T |
| Packaging Details | Neutral Package or as customers’ request |
| Total Height | 104.4–104.5 mm |
| Compression Height (KH) | 60.7 mm |
| Piston Pin Diameter | 36 × 79 mm |
| Combustion Chamber | Ф51.6 mm |
| Condition | Brand New — 100% quality inspected |
| Model Number | ISUZU NPR NQR NKR 4HG1 4HG1T |
| Certification | ISO/TS16949 |
| Brand Name | YIMI |
| Place of Origin | China |
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Product Specification
| OEM Part Number | 8-97183666-0 / 8971836660 | Vehicle Models | ISUZU NPR, NQR, NKR, NHR (2000–2016) |
| Piston Diameter | 115 mm | Warranty | 1 Year (standard replacement warranty) |
| Engine Compatibility | ISUZU 4HG1 / 4HG1T (4.6L, naturally aspirated & turbocharged) | Construction Features | Alfin insert, oil gallery |
| Delivery Time | 5-8 Work Days | Certifiion | ISO/TS16949 |
| Supply Ability | 4000 pcs/month | Material | Aluminum alloy with Alfin insert |
| Surface Treatment | Tin coating | Part Name | Standard Engine Piston (with pin & clip options) |
| Ring Groove (Top / 2nd / Oil) | 3.0 mm (3.0K) / 2.5 mm / 4.0 mm | Payment Terms | T/T |
| Packaging Details | Neutral Package or as customers’ request | Total Height | 104.4–104.5 mm |
| Compression Height (KH) | 60.7 mm | Piston Pin Diameter | 36 × 79 mm |
| Combustion Chamber | Ф51.6 mm | Condition | Brand New — 100% quality inspected |
| Model Number | ISUZU NPR NQR NKR 4HG1 4HG1T | Certification | ISO/TS16949 |
| Brand Name | YIMI | Place of Origin | China |
| High Light | Isuzu NPR diesel engine piston ，OEM direct fit 115mm piston ，Alfin oil-gallery piston 4HG1 | ||
The Engine Piston with OEM numbers 8-97183666-0 / 8971836660 is a verified direct-fit replacement for ISUZU NPR, NQR, and NKR series trucks equipped with the 4HG1 / 4HG1T (4.6L) diesel engine. This critical reciprocating component converts combustion pressure into crankshaft rotation and manages thermal load within the cylinder.
| Brand | Model / Series | Engine | Years |
|---|---|---|---|
| ISUZU | NPR | 4HG1 / 4HG1T | 2000-2016 |
| ISUZU | NPR71 | 4HG1 | 1996-2002 |
| ISUZU | NQR | 4HG1 | 1997-2016 |
| ISUZU | NQR71 | 4HG1 | 1996-2002 |
| Chevrolet | NPR / NQR / NNR | 4HG1 | 1999-2012 |
| QC Item | Verification Method |
|---|---|
| Piston diameter / ovality | CMM dimensional inspection against OEM drawing |
| Ring groove width & depth | Go/no-go gauge verification |
| Pin bore diameter & concentricity | Precision bore gauge |
| Material chemistry | Spectrometer analysis (aluminum alloy composition) |
| Surface treatment thickness | Tin coating thickness measurement |
| Weight consistency | Batch weighing tolerance control |
Manufacturing conforms to ISO/TS16949 quality management system standards. Each unit undergoes 100% quality inspection before packaging.
Installation Guidelines:
Maintenance Schedule:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2005
Total Annual:
8000000-10000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
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